40 A SIRIUS Motor Protection Circuit Breaker, 20 → 690 V

The Siemens circuit breaker is engineered for reliable motor protection, ensuring operational efficiency across a range of applications. Designed to handle robust loads, it boasts an impressive switching capacity of up to 100 kA, providing exceptional short-circuit protection. The device is suitable for use in various environments, with a broad temperature operating range from -20 to +60 °C. Its compact design allows for versatile installation, easily accommodating side-by-side mounting. With advanced thermal overload release features, this breaker not only enhances safety but also extends the service life of connected motors, making it an indispensable asset for industrial operations.

Robust thermal overload release
Complies with international safety standards
Extended temperature limits for environmental resilience
Flexible mounting options for diverse setups
Screw-type terminals for secure connections
Superior insulation and surge voltage resistance